Structural features of residue 37 in chain B
D1	HIS B 37 ND1	-1.916	INTER-CHAIN
ASP A 27 OD2	HIS B 37 ND1	-1.727	INTER-CHAIN
ASP A 56 OD1	HIS B 37 ND1	-1.898	INTER-CHAIN
ASP A 56 OD2	HIS B 37 ND1	-1.618	INTER-CHAIN
ASP B 35 OD1	HIS B 37 ND1	-2.275	INTRA-CHAIN
ASP B 35 OD2	HIS B 37 ND1	-1.877	INTRA-CHAIN
HIS B 37 ND1	ASP A 27 OD1	-1.916	INTER-CHAIN
HIS B 37 ND1	ASP B 35 OD1	-2.275	INTRA-CHAIN
HIS B 37 ND1	HIS B 38 ND1	1.560	INTRA-CHAIN
HIS B 37 ND1	HIS B 38 NE2	2.746	INTRA-CHAIN
HIS B 37 ND1	ASP B 56 OD1	-1.478	INTRA-CHAIN
HIS B 37 ND1	ASP A 56 OD1	-1.898	INTER-CHAIN
HIS B 37 NE2	ASP A 27 OD1	-1.876	INTER-CHAIN
HIS B 37 NE2	ASP B 35 OD1	-1.956	INTRA-CHAIN
HIS B 37 NE2	HIS B 38 ND1	1.184	INTRA-CHAIN
HIS B 37 NE2	HIS B 38 NE2	2.198	INTRA-CHAIN
HIS B 37 NE2	ASP B 56 OD1	-1.700	INTRA-CHAIN
HIS B 37 NE2	ASP A 56 OD1	-1.883	INTER-CHAIN
HIS B 38 ND1	HIS B 37 ND1	1.560	INTRA-CHAIN
HIS B 38 ND1	HIS B 37 NE2	2.663	INTRA-CHAIN
HIS B 38 NE2	HIS B 37 ND1	1.220	INTRA-CHAIN
HIS B 38 NE2	HIS B 37 NE2	2.198	INTRA-CHAIN
ASP B 56 OD1	HIS B 37 ND1	-1.478	INTRA-CHAIN
ASP B 56 OD2	HIS B 37 ND1	-1.496	INTRA-CHAIN

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Protrusion Index:
HIS B 37 N	0.18
HIS B 37 CA	0.17
HIS B 37 C	0.31
HIS B 37 O	0.27
HIS B 37 CB	0.21
HIS B 37 CG	0.29
HIS B 37 ND1	0.43
HIS B 37 CD2	0.20
HIS B 37 CE1	0.49
HIS B 37 NE2	0.38

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Salt bridges:
HIS B 37	HIS B 38	2.815	INTRA-CHAIN

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Van der Waal's Interactions:
VAL A 30 CG2 68	HIS B 37 NE2 535	-0.073	INTER-CHAIN
HIS B 37 NE2 535	VAL B 51 CG2 639	-0.169	INTRA-CHAIN